Home / 136,121,489.70-204,261,950.70-49,868,615.40

Finding the Fourth Proportional to 136,121,489.70, 204,261,950.70 and 49,868,615.40

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Solution

The fourth proportional to 136,121,489.70, 204,261,950.70 and 49,868,615.40 is: 74,832,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,121,489.70 : 204,261,950.70 = 49,868,615.40 : x
  2. Step 2: Convert to fraction form
    136,121,489.70/204,261,950.70 = 49,868,615.40/x
  3. Step 3: Cross multiply
    136,121,489.70x = 204,261,950.70 × 49,868,615.40
  4. Step 4: Simplify right side
    136,121,489.70x = 10,186,260,660,312,060
  5. Step 5: Solve for x
    x = 10,186,260,660,312,060/136,121,489.70
  6. Step 6: Final answer
    x = 74,832,127.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.